This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A169746 #3 Mar 30 2012 16:51:44 %S A169746 2,3,6,7,3,2,12,4,5,3,19,3,3,3,6,6,2,6,36,10,6,6,6,6,9,2,3,7,3,2,67,3, %T A169746 3,3,8,3,3,4,6,6,6,12,5,3,6,13,3,2,3,3,6,12,4,5,3,132,31,3,8,9,3,4,9, %U A169746 3,6,6,9,3,6,15,2,3,3,3,7,2,3,9,3,4,14,10,3,3,2,6,7,3,2,19,3,3,3,6,6,2,6,259 %N A169746 First differences of A169745. %H A169746 N. J. A. Sloane, <a href="/A169746/b169746.txt">Table of n, a(n) for n = 1..9709</a> %Y A169746 Cf. A109671, A169745. %K A169746 nonn %O A169746 1,1 %A A169746 _N. J. A. Sloane_, May 03 2010